Specifications

-
200
-
'10 • SR-T-091
(ii) Outdoor unit
Remote controller Indoor control PCB
Location of trouble Description of trouble Repair method
Reference
page
Error code Red LED Red LED
Green
LED
Keeps
flashing
Stays OFF
Keeps
flashing
Installation, operation status • Higher outdoor heat exchanger temperature Repair
234
Outdoor heat exchanger
temperature sensor
• Defective outdoor heat exchanger temperature sensor
Replacement, repair
of temperature
sensor
Outdoor control PCB
*• Defective outdoor control PCB (Defective temperature sensor input circuit)?
Replacement of
PCB
Stays OFF
Keeps
flashing
Installation, operation status • Higher discharge temperature Repair
235
Discharge pipe temperature
sensor
• Defective discharge pipe temperature sensor
Replacement, repair
of temperature
sensor
Outdoor control PCB
*• Defective outdoor control PCB (Defective temperature sensor input circuit)?
Replacement of
PCB
Stays OFF
Keeps
flashing
Outdoor heat exchanger
temperature sensor
• Defective outdoor heat exchanger temperature sensor, broken wire or poor
connector connection
Replacement, repair
of temperature
sensor
236
Outdoor control PCB *• Defective outdoor control PCB (Defective temperature sensor input circuit)?
Replacement of
PCB
Stays OFF
Keeps
flashing
Outdoor air temperature sensor • Defective outdoor air temperature sensor, broken wire or poor connector connection
Replacement, repair
of temperature
sensor
237
Outdoor control PCB *• Defective outdoor control PCB (Defective temperature sensor input circuit)?
Replacement of
PCB
Stays OFF
Keeps
flashing
Discharge pipe temperature
sensor
• Defective discharge pipe temperature sensor, broken wire or poor connector
connection
Replacement, repair
of temperature
sensor
238
Outdoor control PCB *• Defective outdoor control PCB (Defective temperature sensor input circuit)?
Replacement of
PCB
Stays OFF
Keeps
flashing
Outdoor control PCB, compressor • Current cut (Anomalous compressor over-current)
Replacement of
PCB
239・240
Installation, operation status
• Service valve closing operation Repair
Stays OFF
Keeps
flashing
Outdoor control PCB • Defective active filter
Repair
PCB replacement
241
Stays OFF
Keeps
flashing
Fan motor • Defective fan motor
Replacement 242
Outdoor control PCB • Defective outdoor control PCB
Stays OFF
Keeps
flashing
Power transistor error (outdoor
control PCB)
• Power transistor error
Replacement of
PCB
243
Stays OFF
Keeps
flashing
Operation status • Shortage in refrigerant quantity Repair
244
Installation status • Service valve closing operation
Service valve
opening check
Stays OFF
Keeps
flashing
• Overload operation
• Overcharge
• Compressor locking
• Current safe stop Replacement 245
Stays OFF
Keeps
flashing
Compressor, outdoor control PCB • Anomalous compressor startup Replacement 246
Stays OFF
Keeps
flashing
Compressor • Anomalous compressor rotor lock Replacement 247
Note (1) * mark in the Description of trouble means that, in ordinary diagnosis, it cannot identify the cause definitely, and, if the trouble is repaired by replacing the
part, it is judged consequently that the replaced part was defective.